<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS语法</title>
</head>

<body>


    <style>
        p {
            color: red;
            text-align: center;
        }
    </style>




    <p>Hello World!</p>
    <p>这些段落是通过 CSS 设置样式的。</p>


</body>

</html>